2031111132 has 48 divisors (see below), whose sum is σ = 4768606752. Its totient is φ = 672860160.

The previous prime is 2031111107. The next prime is 2031111139. The reversal of 2031111132 is 2311111302.

It is a happy number.

It is a super-3 number, since 3×2031111132³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031111139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1701928 + ... + 1703120.

It is an arithmetic number, because the mean of its divisors is an integer number (99345974).

Almost surely, 2^2031111132 is an apocalyptic number.

It is an amenable number.

2031111132 is an abundant number, since it is smaller than the sum of its proper divisors (2737495620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031111132 is a wasteful number, since it uses less digits than its factorization.

2031111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2031111132 is about 45067.8503148309. The cubic root of 2031111132 is about 1266.4203935185.

Adding to 2031111132 its reverse (2311111302), we get a palindrome (4342222434).

The spelling of 2031111132 in words is "two billion, thirty-one million, one hundred eleven thousand, one hundred thirty-two".